Picture sea ice in your mind. You probably imagine brilliant white, snow-covered floes floating on the surface of the ocean, ...

When polar ice sheets melt, the effects ripple across the world. The melting ice raises average global sea level, alters ocean currents and affects temperatures in places far from the poles. But ...

Using old satellite radar techniques, scientists have developed a new way of measuring the true extent of an understudied and ...

Scientists have finally mapped the elusive “Marginal Ice Zone” of the Southern Ocean, providing the clear look at this critical region.Published in Nature Communications on May 29, 2026, the ...

For decades, a vast ring of sea ice around Antarctica acted as a planetary cooling system, reflecting sunlight back into ...

Antarctica's sea ice started shrinking dramatically in 2015 after resisting global warming for decades, and researchers now know why. A study published May 8 in the journal Science Advances reveals ...

Audio is not provided for this article. In recent years, researchers have shown that variations in GPS and Galileo signals after they reflect off Earth’s surface—an approach known as GNSS ...

Vital Arctic sea ice shrank to tie its lowest measured level for the winter, the season when ice grows, as a warming Earth shattered records across the continents. Subscribe to read this story ad-free ...

When polar ice sheets melt, the effects ripple across the world. The melting ice raises average global sea level, alters ocean currents and affects temperatures in places far from the poles. But ...